Hello! On Wed, Dec 17, 2014 at 08:02:47PM -0500, tatroc wrote:
> I folks, wondering if I could get your input. > > I have a nginx 1.7.3 configured as a reverse proxy. The system seems to work > fine when not under heavy load. However, there are periods of time when we > have extreme load because of ecom promotions. > > The $request_time gets up to 15 seconds. Normally the $request_time is only > a few seconds. The client machine is making a web service call to the Nginx > reverse proxy and the client web service making the call is designed to > abort the connection if it takes longer than 15 seconds. As a result that > is why you see all the $request_time's stop at 15 seconds. > > The $upstream_addr field is populated with “-“. What would cause the > $request_time to take longer than 15 seconds? > It seems the nginx reverse proxy never passes the connection on to the > upstream server. > > 10.8.165.116 - - [13/Dec/2014:07:58:12 -0600] "POST > /Common/service/GateService/GateService.svc HTTP/1.1" 499 0 "-" "JAX-WS RI > 2.1.6 in JDK 6" "-" LB_req_Time: 15.000 WebSrv_rspTime: - Req_size: 8292 > HTTP_content_size: 7875 [...] As requests are POSTs, likely the problem is with sending request body. Probably due to network problems. -- Maxim Dounin http://nginx.org/ _______________________________________________ nginx mailing list [email protected] http://mailman.nginx.org/mailman/listinfo/nginx
